Network PLC Programmable Controller Comprehensive Training Device

Guangdong Zhongcai Education Equipment Co.,Ltd. is one of the most reliable manufacturers and suppliers of network plc programmable controller comprehensive training device in China. Welcome to buy high quality engineering education equipment from our factory. Also, OEM&ODM service is available.

 

1  Overview

 

Network PLC Programmable Controller Comprehensive Training Device is a product developed in accordance with the teaching and training requirements of Vocational Education in accordance with the educational industry standard of the people's Republic of China - equipment allocation standard for electrical and electronic training base and the requirements of the Ministry of education's "plan for revitalizing the curriculum reform and textbook construction of Vocational Education in the 21st century". Programmable controller technology, electrical and PLC control technology, PLC and its application, variable frequency speed regulation technology and fieldbus control technology are suitable for electromechanical equipment installation and maintenance, electromechanical technology application, electrical operation and control, electrical technology application, electronic and electrical appliance application and maintenance and non electromechanical majors in Higher Vocational Colleges and Vocational Schools Course teaching and skill training.

 

Network PLC Programmable Controller Comprehensive Training Device is also suitable for PLC practice and skill appraisal of various types of work in technical schools, vocational training schools, vocational education centers, appraisal stations / institutes.

 

2  Network PLC Programmable Controller Comprehensive Training Device characteristics

 

a. The building block combined structure is adopted, including switching value, analog value, frequency conversion and speed regulation, touch color screen, bus communication module, etc. it is equipped with configuration monitoring software and simulation training software to realize simulation, information and network training teaching, reflecting the networking and systematicness of training teaching.

 

b. Project training module: use the current typical programmable controller and bus technology to complete the control training of simulated objects in industrial production and logic, simulation, process and movement in the physical model, and complete the training of students' cognition, design, installation, commissioning, maintenance and other skills.

 

c. Training teaching of configuration monitoring based on Fieldbus: 1: n communication between training device (slave station) PLC and master station PLC through fieldbus network. The slave station PLC runs the program of the control object. Using the centralized monitoring function of the industrial control network, the master station PLC can monitor any slave station PLC in real time, which meets the requirements of industrial field control. Students independently control various training objects through PLC, and conduct configuration real-time monitoring (1:1 communication).

 

d. Simulation training teaching: real time display of PLC operation status through virtual environment, and also realize the functions of error inspection, programming training, programming test and so on.

 

3  Technical performance

 

a. Input power supply: three-phase four wire (or three-phase five wire) ~ 380V ± 10% 50Hz

 

b. Working environment: temperature - 10 ℃ ~ + 40 ℃, relative humidity < 85% (25 ℃), altitude < 400m

 

c. Unit capacity: ＜ 0.5kva

 

d. Weight: ＜ 110kg

 

e. Overall dimension: 1680mm × 750mm × 1600mm

 

f. Safety protection: it has leakage voltage and leakage current protection devices, and the safety meets the national standards

 

4  Basic configuration and function of training device

 

Network PLC Programmable Controller Comprehensive Training Device is composed of control panel, training table, host training components, training module (including rich industrial field equipment simulation training objects), frequency converter hanging box, touch screen hanging box, AC / DC motor, bus unit, communication module, motor guide rail, speed measuring mechanism, etc.

 

（1） Control panel (iron double-layer matte dense grain spray structure, aluminum panel)

 

a. AC power control unit

 

The three-phase four wire 380V AC power supply supplies power to the device after passing through the air switch. The grid voltmeter monitors the grid voltage and is equipped with fuse protection with light. The power supply of the control panel is controlled by the key switch and start stop switch. At the same time, it has leakage alarm indication and alarm reset.

 

One set of three-phase four wire 380V and single-phase 220V power supply is provided, which is controlled by the start stop switch and protected by fuse.

 

b. DC power supply, DC voltmeter / Ammeter, logic output and indication, etc

 

DC voltage: 0 ~ 10V adjustable output; DC current: 4 ~ 20mA adjustable output; DC digital voltmeter / ammeter; The range of voltmeter is 0 ~ 200V, the input impedance is 10m Ω and the accuracy is 0.5; The range of ammeter is 0 ~ 200 Ma and the accuracy is 0.5; At the same time, it is equipped with logic level output (inching and self-locking), logic level indication, led nixie tube, direction indicator, eight tone box, DC 24V relay and signal conversion base.

 

c. Host training component

 

Siemens S-7 226 (24 input points and 16 output points), analog module EM235 (4 input / 1 output) and supporting communication programming cable are configured.

 

（2） Training hanging box

 

Serial number

 

number

 

Control object training module

 

Practical teaching objectives

 

one

 

SX1

 

Responder / music fountain

 

Master the writing method of condition judgment control instruction by monitoring and controlling the rush response sequence of each group of personnel in the rush response system; Through the loop control of "water flow" and music in the music fountain control system, master the writing method of loop command.

 

two

 

SX2

 

Assembly line / intersection traffic lights

 

Master the writing method of sequence control instructions through the sequential processing of "production line" and the control of traffic lights and traffic signals at intersections.

 

three

 

SX3

 

Water level of water tower / light of sky tower

 

By judging the change process of "water tower water level" and "water reservoir water level", understand the writing method of simple logic control instructions. Master the writing method of shift register instruction through the shift control of the shining process of the light of the sky tower.

 

four

 

SX4

 

Automatic feeding and loading / four section conveyor belt

 

Master the writing method of more complex logic control instructions by controlling the start and stop of conveyor belt, transmission state and the flow direction and flow of goods in the automatic feeding and loading system.

 

five

 

SX5

 

Multiple liquid mixing device

 

Through the control of different liquid proportions and mixing time during liquid mixing in the "liquid mixing device", master the preparation methods of condition judgment instructions and various types of timer instructions.

 

six

 

SX6

 

vending machine

 

Master the writing methods of various counter instructions and comparison output instructions by identifying the number of user coins and controlling the entry and exit of various "goods" in the vending machine.

 

seven

 

SX7

 

Automatic rolling mill / mail sorter

 

Master the preparation method of numerical operation instruction and interrupt instruction through the identification of incoming quantity and incoming category of materials ("ingot" mail ") of automatic rolling mill and mail sorter and the control of start and stop sequence of various actuators (such as" motor ").

 

eight

 

SX8

 

Manipulator control / automatic control molding machine

 

By controlling the "position" of the manipulator and the "position of the hydraulic cylinder" in each direction of the automatic forming machine, we can master the ability to write a relatively simple logic control program in a complete industrial application system.

 

nine

 

SX9

 

machining center

 

Through the control of the running direction of the "motor" in each direction in the machining center and the process of entering, exiting and changing tools in the "tool magazine", master the programming ability of more complex logic control in a complete industrial application system.

 

ten

 

SX10

 

Four storey elevator

 

Through the comprehensive control of a complete four storey elevator model, preliminarily master the comprehensive knowledge of PLC control system analysis, I / O distribution, design I / O wiring diagram, wiring, programming, debugging and other working processes.

 

eleven

 

SX11

 

Stepper motor / linear motion: (in kind) stepper motor system consists of driving circuit, stepper motor, dial, pointer, etc;

 

The linear motion system is composed of motor, synchronous belt, photoelectric sensor, guide rail, moving block, etc.

 

By using PLC to control stepper motor and linear motion physical module, we can preliminarily understand the control of stepper motor direction and beat number, linear motion detection and positioning control.

 

twelve

 

SX12

 

Automatic washing machine / electroplating line

 

Master the comprehensive application ability of multi-point PLC control system by controlling the water inlet and outlet time of washing machine, washing process and the time, mode and sequence of blocks invading different solutions in electroplating production line.

 

thirteen

 

SX13

 

DC motor control / temperature control

 

(analog control)

 

Through the control of pulse signal acquisition, speed control (voltage) and temperature parameters in the temperature control system in the DC motor system, master the use of high-speed counter command, analog processing command and PID command.

 

fourteen

 

WK1

 

Typical motor control operation unit: 3 Schneider AC contactors; 1 time relay, 3 buttons, 3 AC indicator lights, 2 thermal relays, and components are equipped with special base.

 

Master the knowledge of installation and commissioning of general strong current system, realize the typical operation control of motor in PLC mode, and master the relevant knowledge of installation and commissioning of PLC electrical control system.

 

fifteen

 

WK2

 

Mesh plate

 

Learn the layout planning, installation and commissioning process knowledge of various components in the electrical control system.

 

sixteen

 

BP1

 

Configure Mitsubishi fr-s520 frequency converter

 

Preliminarily have the ability to comprehensively apply frequency converter, understand the application of frequency converter speed regulation in practice, and master the establishment and connection method of USS communication protocol between frequency converter and PLC.

 

seventeen

 

CM1

 

Touch screen training component: 7 inches

 

Eview500256 colors

 

Understand the function and use method of industrial touch screen, master the communication knowledge with PLC, and master the implementation methods of reset, setting, alternation and other function keys, graphic (curve) display and dynamic picture tracking in the touch screen.

 

（3） Motor guide rail, optical code disk speed measuring system and digital display tachometer

 

Including optical code disk speed measurement system (equipped with imported photoelectric encoder) The digital display tachometer and the stainless steel guide rail for fixing the motor. The stainless steel guide rail has good flatness, no stress deformation, fine processing, good concentricity and good interchangeability, which can ensure that the concentricity of the connection between the motor and the coding disk does not exceed ± 5 wires. The motor has low running noise and typical training parameters, which can better meet the training requirements. A five digit digital display tachometer is set on the guide rail panel to display Current speed; with voltage feedback signal; with photoelectric coding signal output, including two channels A and B; able to complete various speed open / closed-loop and positioning training.

 

（4） Three phase squirrel cage asynchronous motor: AC 380V / △

 

（5） Training table

 

The training table is an iron double-layer Matt dense grain spray structure, and the table top is a fireproof, waterproof and wear-resistant high-density board; there are two large drawers (with locks) on the left and right for placing tools and materials. The computer table is designed in combination, with beautiful and generous shape.

 

5  Training project

 

（1） PLC basic skills training

 

a. PLC cognitive training (software and hardware structure, system composition, basic instruction practice, wiring, programming download, etc.)

 

b. Typical motor control operation training (inching, self-locking, forward and reverse rotation, star delta change start, etc.)

 

c. PLC simulation training

 

（2） PLC Analog Control Application Training

 

d. Digital display control

 

e. Responder control (priority, numerical calculation, with sound effect function)

 

f. Light control of the sky tower (flicker, emission, flow type)

 

g. Music fountain control (with sound effect function)

 

h. Intersection traffic light control

 

i. Water level control of water tower

 

j. Automatic feeding and loading system control

 

k. Four section conveyor belt control

 

l. Assembly line control

 

m. Control of multiple liquid mixing devices

 

n. Automatic molding machine control

 

o automatic washing machine control (with sound effect function)

 

p. Electroplating production line control

 

q. Automatic rolling mill control

 

r. Mail sorter control

 

s. Vending machine control

 

t. Manipulator control

 

u. Four storey elevator control (physical object)

 

v. Machining center control (physical)

 

（3） PLC physical control training

 

w. Linear motion position recognition, motion trajectory control and positioning control

 

x. Stepper motor motion control

 

y. DC motor control

 

z. Temperature PID control

 

（4） PLC advanced skills training (design, installation, commissioning and maintenance)

 

A1. Electrical control circuit of C620 lathe

 

B1. Electric control circuit of horizontal lathe

 

C1. Machine tool control circuit

 

D1. Electrical control circuit of M7130 surface grinder

 

E1. Electrical control circuit of Z3040 radial drilling machine

 

（5） Training on comprehensive application skills of PLC, frequency converter and touch screen

 

F1. Frequency converter function parameter setting and operation

 

G1. Frequency converter alarm and protection function

 

H1. External terminal inching control

 

I1. The frequency converter controls the forward and reverse rotation of the motor

 

J1. Multi section speed selection frequency conversion speed regulation

 

K1. Stepless speed regulation of frequency converter

 

L1. Variable frequency speed regulation based on external analog quantity (voltage / current) control mode

 

M1. Instantaneous power failure start control

 

N1. PID variable frequency speed control

 

O1. PLC controls the forward and reverse rotation of the motor at the external terminal of the frequency converter

 

P1. PLC controls the motor running time control of the external terminal of the frequency converter

 

Q1. Multi stage speed control based on PLC digital quantity control mode

 

R1. Frequency conversion open-loop speed regulation based on PLC Analog Control

 

S1. Frequency converter open-loop speed regulation based on PLC communication mode

 

T1. Speed closed-loop control based on PLC communication mode

 

U1. Frequency converter closed-loop speed regulation based on PLC analog mode

 

V1. Simulation of constant pressure water supply system with frequency converter

 

W1. Basic instruction programming practice based on touch screen control mode

 

X1. LED control based on touch screen control mode

 

Y1. Temperature PID control based on touch screen control mode

 

Z1. PLC, touch screen and frequency converter communication control

 

A2. Field bus network communication technology based on MCGS

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